diff options
Diffstat (limited to 'src/mesa/pipe/cell/spu/spu_util.c')
-rw-r--r-- | src/mesa/pipe/cell/spu/spu_util.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_util.c b/src/mesa/pipe/cell/spu/spu_util.c deleted file mode 100644 index ac373240c1..0000000000 --- a/src/mesa/pipe/cell/spu/spu_util.c +++ /dev/null @@ -1,165 +0,0 @@ -#include "pipe/p_util.h" -#include "pipe/p_shader_tokens.h" -#include "pipe/tgsi/util/tgsi_parse.h" -//#include "tgsi_build.h" -#include "pipe/tgsi/util/tgsi_util.h" - -unsigned -tgsi_util_get_src_register_swizzle( - const struct tgsi_src_register *reg, - unsigned component ) -{ - switch( component ) { - case 0: - return reg->SwizzleX; - case 1: - return reg->SwizzleY; - case 2: - return reg->SwizzleZ; - case 3: - return reg->SwizzleW; - default: - assert( 0 ); - } - return 0; -} - -unsigned -tgsi_util_get_src_register_extswizzle( - const struct tgsi_src_register_ext_swz *reg, - unsigned component ) -{ - switch( component ) { - case 0: - return reg->ExtSwizzleX; - case 1: - return reg->ExtSwizzleY; - case 2: - return reg->ExtSwizzleZ; - case 3: - return reg->ExtSwizzleW; - default: - assert( 0 ); - } - return 0; -} - -unsigned -tgsi_util_get_full_src_register_extswizzle( - const struct tgsi_full_src_register *reg, - unsigned component ) -{ - unsigned swizzle; - - /* - * First, calculate the extended swizzle for a given channel. This will give - * us either a channel index into the simple swizzle or a constant 1 or 0. - */ - swizzle = tgsi_util_get_src_register_extswizzle( - ®->SrcRegisterExtSwz, - component ); - - assert (TGSI_SWIZZLE_X == TGSI_EXTSWIZZLE_X); - assert (TGSI_SWIZZLE_Y == TGSI_EXTSWIZZLE_Y); - assert (TGSI_SWIZZLE_Z == TGSI_EXTSWIZZLE_Z); - assert (TGSI_SWIZZLE_W == TGSI_EXTSWIZZLE_W); - assert (TGSI_EXTSWIZZLE_ZERO > TGSI_SWIZZLE_W); - assert (TGSI_EXTSWIZZLE_ONE > TGSI_SWIZZLE_W); - - /* - * Second, calculate the simple swizzle for the unswizzled channel index. - * Leave the constants intact, they are not affected by the simple swizzle. - */ - if( swizzle <= TGSI_SWIZZLE_W ) { - swizzle = tgsi_util_get_src_register_swizzle( - ®->SrcRegister, - component ); - } - - return swizzle; -} - -unsigned -tgsi_util_get_src_register_extnegate( - const struct tgsi_src_register_ext_swz *reg, - unsigned component ) -{ - switch( component ) { - case 0: - return reg->NegateX; - case 1: - return reg->NegateY; - case 2: - return reg->NegateZ; - case 3: - return reg->NegateW; - default: - assert( 0 ); - } - return 0; -} - -void -tgsi_util_set_src_register_extnegate( - struct tgsi_src_register_ext_swz *reg, - unsigned negate, - unsigned component ) -{ - switch( component ) { - case 0: - reg->NegateX = negate; - break; - case 1: - reg->NegateY = negate; - break; - case 2: - reg->NegateZ = negate; - break; - case 3: - reg->NegateW = negate; - break; - default: - assert( 0 ); - } -} - -unsigned -tgsi_util_get_full_src_register_sign_mode( - const struct tgsi_full_src_register *reg, - unsigned component ) -{ - unsigned sign_mode; - - if( reg->SrcRegisterExtMod.Absolute ) { - /* Consider only the post-abs negation. */ - - if( reg->SrcRegisterExtMod.Negate ) { - sign_mode = TGSI_UTIL_SIGN_SET; - } - else { - sign_mode = TGSI_UTIL_SIGN_CLEAR; - } - } - else { - /* Accumulate the three negations. */ - - unsigned negate; - - negate = reg->SrcRegister.Negate; - if( tgsi_util_get_src_register_extnegate( ®->SrcRegisterExtSwz, component ) ) { - negate = !negate; - } - if( reg->SrcRegisterExtMod.Negate ) { - negate = !negate; - } - - if( negate ) { - sign_mode = TGSI_UTIL_SIGN_TOGGLE; - } - else { - sign_mode = TGSI_UTIL_SIGN_KEEP; - } - } - - return sign_mode; -} |